On loop 3 Kantu exhibits the following error:
[error][ignored]
only one not-created download allowed at a time
On loop 3 Kantu exhibits the following error:
[error][ignored]
only one not-created download allowed at a time
Did you enable (allow) file downloads in Firefox? See Manage file types and download actions in Firefox | Firefox Help
A screencast of what is going on in your case would be nice.